Add emacs.desktop file and icon

emacs/emacs.desktop

@@ -0,0 +1,29 @@
+[Desktop Entry]
+Type=Application
+Name=Emacs
+GenericName=Emacs Editor
+Icon=emacs
+Comment=Open an emacs frame through the running daemon
+
+Exec={{.workspace_bin}} run emacsclient -c %F
+StartupWMClass=Emacs
+Version=1.0
+Terminal=false
+
+Categories=Development;TextEditor;IDE;WebDevelopment;GTK;
+Keywords=Text;Editor;IDE;scratch;
+MimeType=text/english;text/plain;text/x-makefile;text/x-c++hdr;text/x-c++src;text/x-chdr;text/x-csrc;text/x-java;text/x-moc;text/x-pascal;text/x-tcl;text/x-tex;application/x-shellscript;text/x-c;text/x-c++;inode/directory;
+
+Actions=NewWindow;NewFile;NewInstance
+
+[Desktop Action NewWindow]
+Name=New Window
+Exec={{.workspace_bin}} run emacsclient -c %F
+
+[Desktop Action NewInstance]
+Name=New Instance
+Exec={{.workspace_bin}} run -privileged emacs %F
+
+[Desktop Action NewFile]
+Name=New File
+Exec={{.workspace_bin}} run emacsclient -c -e '(switch-to-buffer (generate-new-buffer "new"))' %F

main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"bufio"
+	"bytes"
 	_ "embed"
 	"errors"
 	"flag"
@@ -10,10 +11,12 @@ import (
 	"os"
 	"os/exec"
 	"os/user"
+	"path"
 	"runtime"
 	"strconv"
 	"strings"
 	"syscall"
+	"text/template"
 )
 
 const usage = `workspace - Use a containerized workspace
@@ -35,6 +38,12 @@ var customLisp string
 //go:embed emacs/epaper-theme.el
 var elispEpaperTheme string
 
+//go:embed emacs/emacs.desktop
+var emacsDesktop string
+
+//go:embed emacs/emacs.png
+var emacsIcon []byte
+
 //go:embed bash/bash_aliases
 var bashAliases string
 
@@ -317,16 +326,24 @@ func SetEnvVars() {
 	os.Setenv("PATH", "/usr/local/go/bin:"+os.Getenv("PATH"))
 	os.Setenv("PATH", "/usr/local/gopkg/bin:"+os.Getenv("PATH"))
 	os.Setenv("GOPRIVATE", "git.snorba.art")
+	os.Setenv("EMACS_SOCKET_NAME", home+"/.cache/emacs/server")
 }
 
-func DumpStringToFile(data string, path string) error {
-	file, err := os.Create(path)
+func DumpBytesToFile(data []byte, filePath string) error {
+	fmt.Fprintln(os.Stderr, "Dumping to "+filePath)
+
+	err := EnsureDirectory(path.Dir(filePath))
+	if err != nil {
+		return err
+	}
+
+	file, err := os.Create(filePath)
 	if err != nil {
 		return err
 	}
 
 	writer := bufio.NewWriter(file)
-	_, err = writer.WriteString(data)
+	_, err = writer.Write(data)
 	if err != nil {
 		return err
 	}
@@ -334,6 +351,10 @@ func DumpStringToFile(data string, path string) error {
 	return writer.Flush()
 }
 
+func DumpStringToFile(data string, path string) error {
+	return DumpBytesToFile([]byte(data), path)
+}
+
 func ToggleNightLight() error {
 	getState := exec.Command(
 		"gsettings",
@@ -368,22 +389,26 @@ func ToggleNightLight() error {
 	return nil
 }
 
-func DumpInitFiles() error {
-	home := os.Getenv("HOME")
-	elispThemeDir := home + "/.workspace/elisp-themes"
-
-	if _, err := os.Stat(elispThemeDir); os.IsNotExist(err) {
-		err = os.MkdirAll(elispThemeDir, 0755)
+func EnsureDirectory(dir string) error {
+	if _, err := os.Stat(dir); os.IsNotExist(err) {
+		err = os.MkdirAll(dir, 0755)
 		if err != nil {
 			return fmt.Errorf(
-				"Failed to create elisp theme dir in %v: %w",
-				elispThemeDir,
+				"Failed to create dir %v: %w",
+				dir,
 				err,
 			)
 		}
-
 	}
 
+	return nil
+}
+
+func DumpInitFiles() error {
+	home := os.Getenv("HOME")
+	elispThemeDir := home + "/.workspace/elisp-themes"
+	err := EnsureDirectory(elispThemeDir)
+
 	files := map[string]string{
 		home + "/.emacs":                   initLisp,
 		home + "/.custom.el":               customLisp,
@@ -394,14 +419,39 @@ func DumpInitFiles() error {
 	}
 
 	for file, contents := range files {
-		fmt.Fprintln(os.Stderr, "Dumping to "+file)
 		err := DumpStringToFile(contents, file)
 		if err != nil {
 			return err
 		}
 	}
 
-	return nil
+	tmp, err := template.New("emacs.desktop").Parse(emacsDesktop)
+	if err != nil {
+		return err
+	}
+
+	executable, err := os.Executable()
+	if err != nil {
+		return err
+	}
+
+	var out bytes.Buffer
+
+	tmp.Execute(&out, map[string]string{
+		"workspace_bin": executable,
+	})
+
+	err = DumpBytesToFile(
+		out.Bytes(), home+"/.local/share/applications/emacs.desktop",
+	)
+	if err != nil {
+		return err
+	}
+
+	return DumpBytesToFile(
+		emacsIcon,
+		home+"/.local/share/icons/hicolor/128x128/apps/emacs.png",
+	)
 }
 
 func main() {